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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

...算单元情况下对复杂函数的表示能力有限,针对复杂分类问题其泛化能力受到一定制约。深度学习可通过学习一种深层非线性网络结构,实现复杂函数逼近,表征输入数据分布式表示,并展现了强大的从少数样本集中学习数据集...
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Creating anonymous objects in php

... some years, but I think I need to keep the information up to date! Since PHP 7 it has been possible to create anonymous classes, so you're able to do things like this: <?php class Foo {} $child = new class extends Foo {}; var_dump($child instanceof Foo); // true ?> You can ...
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WEB端测试与移动端测试的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...试来说,比较重要的一个步骤就是报bug,在web端我们发现问题之后,可以利用系统自动工具或者其他截图工具直接截图,然后将错误的地方或者比较 重要的点进行标记,但是在移动端,截图相对来说就没那么简单了,因为这地方...
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PHP: Convert any string to UTF-8 without knowing the original character set, or at least try

... Please, take a look at mb_detect_encoding source code in your php distro (somewhere here: ext/mbstring/libmbfl/mbfl/mbfl_ident.c). This function does not work properly at all. For some encodings it even has "return true", lol. Others are in Ctrl+c Ctrl+v functions. That's because you ca...
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Deep Learning(深度学习)学习笔记整理系列之(三) - 大数据 & AI - 清泛...

...算单元情况下对复杂函数的表示能力有限,针对复杂分类问题其泛化能力受到一定制约。深度学习可通过学习一种深层非线性网络结构,实现复杂函数逼近,表征输入数据分布式表示,并展现了强大的从少数样本集中学习数据集...
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Why use sprintf function in PHP?

I am trying to learn more about the PHP function sprintf() but php.net did not help me much as I am still confused, why would you want to use it? ...
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Two-way encryption: I need to store passwords that can be retrieved

...there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorithm to encrypt the passwords with? safest? any of them. The safest method if you're going to encrypt is to protect against ...
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PHP session lost after redirect

How do I resolve the problem of losing a session after a redirect in PHP? 35 Answers 3...
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Export to CSV via PHP

...t I have from the database to a CSV file (and text file [if possible]) via PHP? 7 Answers ...
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How can I sanitize user input with PHP?

... It's a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it). What you should do, to avoid problems, is quite simpl...